CN100372424C - Carrier frequency scheduling method for data business - Google Patents
Carrier frequency scheduling method for data business Download PDFInfo
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Abstract
The present invention discloses a carrier frequency resource scheduling method for data business. A network side uses the mode of combining splitting dispatching and transposing dispatching to dispatch a user originating SCH allocation request and more users in the same carrier frequency, and different dispatching flag bits are respectively set up, namely, the speed rate of the occupied top speed rate SCH in the same carrier frequency with the user is two grades greater than or equal to the speed rate of SCH occupied currently by the user, the splitting dispatching is started, whereas, the speed rate of the occupied top speed rate SCH is one grade greater than or equal to the speed rate of SCH occupied currently by the user, the transposing dispatching is started. When the user and more users in same carrier frequency initiate the SCH allocation request once again, according to different set up dispatching flag bits, by aiming different users in the same carrier frequency, SCH of which increased speed rate, SCH with maintaining speed rate and SCH with speed reduction are accordingly distributed. The method can ensure that the carrier frequency resource is sufficiently utilized to make the throughput of the single carrier frequency maximal on the basis of ensuring the fairness that different users in the same carrier frequency use the carrier frequency resource.
Description
Technical field
The present invention relates to the carrier frequency resource distribution technique of data service in wireless communication system network, particularly a kind of carrier frequency scheduling method of data service.
Background technology
In wireless communication system network, in cdma network, network side distributes carrier frequency resource to the user, and the user uses the carrier frequency resource transmission data of being distributed.For the user distributes the process of carrier frequency resource be: at first, the user initiates complement channel (SCH, Supplemental Channel) request for allocation to the cdma network side; Secondly, the cdma network side is distributed SCH for the user, promptly distributes the burst (SCHburst) of SCH, and the attribute of this SCH burst comprises SCH duration and speed etc., and wherein, speed defines the speed of user by SCH transmission data; At last, the user pass through the SCH that distributed in the SCH burst duration that sets according to the rate transmissioning data that sets.If the user has not been transmitted data in the SCH burst duration that sets, then this user initiates the SCH request for allocation once more to the cdma network side, and the cdma network side is distributed SCH transmission data for this user once more, and is intact up to transfer of data.
The performance index of weighing data service in the cdma network have two: single carrier frequency throughput and single user throughput, and wherein, single carrier frequency throughput is weighed the utilance of carrier frequency resource, and single carrier frequency throughput is big more, and the carrier frequency resource utilance of cdma network is high more; Single user throughput is weighed the occupancy of a user to carrier frequency resource, and single user throughput is big more, and then the carrier frequency resource of this CU is many more.
At present, the cdma network side is when distributing SCH, adopt the mode of First come first served: in the same carrier frequency of cdma network, to initiating the user of SCH request for allocation earlier, distribute the high SCH of speed earlier, this user takies this carrier frequency resource (comprising forward direction spread spectrum coding (WALSH), forward loading and Channel Elements (CE) resource etc.) always, up to having transmitted data; To the user that the SCH request for allocation is initiated in the back, just may be limited because of carrier frequency resource, and can not distribute the high SCH of speed or even can not distribute SCH.Adopt this mode to distribute SCH can cause different user in the same carrier frequency, although service quality (QOS) grade is identical, wireless environment is also identical, owing to initiate the asynchronism(-nization) of SCH request for allocation, and obtain the problems of different services.
In order to embody the fairness of the different user use carrier frequency resource in the same carrier frequency, can the SCH that different user distributed be dispatched, the SCH burst duration that the user of promptly transmitting data waits until current distribution SCH then after, when initiating the SCH request for allocation once more, the cdma network lateral root is according to the situation of utilizing of current carrier frequency resource, speed to the SCH that distributes to this user is reset, and distributes new SCH promptly for this user.
The method that employing is dispatched the SCH that different user distributed has two kinds.
First kind, periodically the SCH that different user distributed is dispatched based on the priority of different user.
In order to embody the fairness that the user uses carrier frequency resource, the cdma network side is that different user is provided with different priority, and set different priorities is considered two aspect factors: wireless environment and historical laser propagation effect, computing formula as shown in Equation (1).
Priority=wireless environment/historical transmission rate (1)
Wherein, wireless environment has reflected the ability of the current transmission data of user, and wireless environment is good more to show that this user is high more to the utilance of carrier frequency resource, and the chance that is scheduled in next dispatching cycle is also just big more; Historical speed has reflected that the user takies situation to the history of carrier frequency resource, and historical speed is low more, and to show that this user takies the history of carrier frequency resource few more, and the chance that is scheduled in next dispatching cycle is also just big more.
The cdma network side can be provided with dispatching cycle, is generally the several times of SCH burst duration dispatching cycle.When a dispatching cycle then after, start next dispatching cycle, the cdma network side at first according to formula (1) upgrade the user's who has initiated the SCH request for allocation priority and by size order sort; Secondly distribute SCH for again these users according to these users' priority orders, the SCH that speed is high distributes to the high user of priority, and the SCH that speed is low distributes to the low user of priority, exhausts up to carrier frequency resource; At last, these users are respectively by distributing to the SCH transmission data of oneself.
This scheduling mode adopts isochronous schedules, and the user who has promptly initiated the SCH request for allocation stresses newly to distribute SCH at identical time point by cdma network.Yet the different user in the same carrier frequency all is separate, so the time of initiating the SCH request for allocation once more also can random distribution, different, if take the isochronous schedules mode, can cause some users from initiating the SCH request for allocation once more to redistributing SCH need wait for a period of time (the longest is a dispatching cycle), like this, must have influence on sole user's data transmission bauds.In addition, this mode also lacks the mechanism of bonding carrier frequency throughput maximum, can not guarantee that carrier frequency resource is fully used, and makes the loss of single carrier frequency throughput bigger.This scheduling mode also needs frequent scheduling, and scheduling overhead is big.
The second way is dispatched the SCH that different user distributed by the data flank speed of limited subscriber.
The cdma network side is provided with the fair rate factor to the user respectively, and the situation of utilizing according to carrier frequency resource is updated periodically the set fair rate factor to the user: when the speed of the SCH that distributes to the user when the cdma network side can not satisfy the demands, then improve this user's the fair rate factor when following one-period starts; When the cdma network side owing to having distributed the high SCH of speed to cause and can not distribute the high SCH of speed to the user more for other users, then when following one-period starts, reduce this user's the fair rate factor; When the cdma network side has been distributed the high SCH of speed to the user, and the SCH that does not influence other users distributes, and then keeps this user's the fair rate factor when following one-period starts.
The fair rate factor that is provided with to the user is big more, then gives the speed of the SCH that this user distributes big more; The fair rate factor that is provided with to the user is more little, then gives the speed of the SCH that this user distributes more little.
When SCH burst duration that the user of transmitting data waits until current distribution SCH then after, when initiating the SCH request for allocation once more, the cdma network lateral root is redistributed the SCH of respective rate to the user according to set user's the fair rate factor.
This scheduling mode adopts asynchronous schedule, promptly when the user initiates the SCH request for allocation separately once more, the cdma network side is just redistributed SCH according to the set fair rate factor to the user, and need not redistribute the SCH of different rates at synchronization simultaneously to different user.Though this mode has been avoided the influence to sole user's data transmission bauds, still lack the mechanism of bonding carrier frequency throughput maximum, can not guarantee that carrier frequency resource is fully used, make the loss of single carrier frequency throughput bigger.This scheduling mode also needs frequent scheduling, and scheduling overhead is big.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of carrier frequency scheduling method of data service, this method is used on the basis of carrier frequency resource fairness at the different user that guarantees same carrier frequency, can also guarantee that carrier frequency resource is fully used, and makes single carrier frequency throughput maximum.
According to above-mentioned purpose, technical scheme of the present invention is achieved in that
A kind of carrier frequency scheduling method of data service, this method comprises: A, network side receive Client-initiated complement channel SCH request for allocation, if described request is this Client-initiated SCH request for allocation for the first time, after then giving this user and the scheduling flag bit being set respectively, distribute the speed SCH identical to transmit data for this user with the current SCH of taking with other users of the same carrier frequency of this user; Otherwise, change step B over to; B, network side are checked the set scheduling flag bit to this user, if set scheduling flag bit is a raising speed scheduling flag bit, and the SCH transmission data of distributing the high grade of the current SCH that takies of this user of speed ratio for this user; If set scheduling flag bit is a reduction of speed scheduling flag bit, the SCH transmission data of distributing the low grade of the current SCH that takies of this user of speed ratio for this user; If set scheduling flag bit distributes the identical SCH transmission data of the current SCH that takies of speed and this user for keeping the scheduling flag bit, for this user.
Steps A is described gives this user and with process that other users of the same carrier frequency of this user are provided with the scheduling flag bit respectively is: A1, network side judge with the same carrier frequency of this user in the speed of occupied flank speed SCH whether more than or equal to the speed of the current SCH of taking of this user, if, execution in step A2; Otherwise, execution in step A3; A2, network side are provided with raising speed scheduling flag bit, reduction of speed scheduling flag bit are set and keep the scheduling flag bit for other users' settings in the same carrier frequency for the user who takies flank speed SCH in the same carrier frequency to this user; A3, network side are given this user, give the user who takies flank speed SCH in the same carrier frequency and are kept the scheduling flag bit for other users' settings in the same carrier frequency.
Described this Client-initiated of steps A SCH request for allocation for the first time is: the SCH burst SCH burst duration of SCH request for allocation that Adding User in the same carrier frequency initiated or the current distribution of user SCH then after, initiate the SCH request for allocation once more.
When the SCH request for allocation of initiating was the SCH request for allocation of the initiation that Adds User in the same carrier frequency, the current SCH that takies of described this user of steps A was that network side distributes the SCH that determines speed for this user according to the situation that takies of carrier frequency resource.When the SCH request for allocation of initiating be the current distribution of user SCH SCH burst duration then after, during the SCH request for allocation of initiation, the current SCH that takies of described this user of steps A is that network side is given this user the SCH of current distribution once more.
The duration of the SCH burst of described current distribution SCH is by the network side setting, and gives the duration of the set SCH burst of different user in the same carrier frequency identical.
When steps A 1 described with the same carrier frequency of this user in the speed of occupied flank speed SCH during more than or equal to current two grades of speed that take SCH of this user; Before described steps A 2, network side starts the division scheduling, described division be scheduling to take speed the user of the highest SCH distribute the SCH of the current shared low grade of SCH of speed ratio when the next SCH burst, to the SCH of the current shared high grade of SCH of this user distribution ratio when the next SCH burst.
When steps A 1 described with the same carrier frequency of this user in the speed of occupied flank speed SCH during more than or equal to the current grade of speed that takies SCH of this user; Before described steps A 2, network side starts the displacement scheduling, described startup displacement is scheduling to the SCH that the user that takies flank speed SCH is distributed the current shared low grade of SCH of speed ratio when the next SCH burst, to the SCH of the current shared high grade of SCH of this user distribution ratio when the next SCH burst.
Described grade is the current speed multiple that takies SCH of this user.
From such scheme as can be seen, the mode that network side employing division scheduling and displacement scheduling combine is dispatched the user of initiation SCH request for allocation and other users in the same carrier frequency, and different scheduling flag bits is set respectively; When other users in this user and the same carrier frequency initiate the SCH request for allocation again, the SCH that correspondingly distributes SCH that speed raises, SCH that speed is kept or speed to reduce at the different user in the same carrier frequency according to set difference scheduling flag bit.Therefore, the present invention adopts division scheduling and displacement to dispatch the mode that combines simultaneously, has guaranteed the fairness of the different user use carrier frequency resource in the same carrier frequency preferably; The present invention adopts the mode of division scheduling, guarantees that the speed of the SCH that different user distributed in the same carrier frequency is more or less the same, and reduces scheduling times, alleviates scheduling overhead, and is little to the influence of carrier frequency throughput; The present invention distributes the high SCH of speed for the different user in the same carrier frequency as possible, and carrier frequency resource is fully used; The present invention adopts non-centralized scheduling, guarantees that the distribution of SCH is not delayed.
In sum, the different user of method provided by the invention in guaranteeing same carrier frequency uses on the basis of carrier frequency resource fairness, guaranteed that also carrier frequency resource is fully used, and makes single carrier frequency throughput maximum.
Description of drawings
Fig. 1 is the application schematic diagram of the balanced rule of bubble of the present invention in cdma network.
Fig. 2 is the application schematic diagram of bubble displacement rule of the present invention in cdma network.
Fig. 3 and Fig. 4 are the flow chart of the carrier frequency scheduling method specific embodiment of data service of the present invention.
Fig. 5 is the time slot schematic diagram of the carrier frequency scheduling method of data service of the present invention.
Embodiment
In order to make the purpose, technical solutions and advantages of the present invention clearer, below lift specific embodiment and, the present invention is described in more detail with reference to accompanying drawing.
The present invention uses on the basis of carrier frequency resource fairness for the different user in guaranteeing same carrier frequency, guarantees that also carrier frequency resource is fully used, and makes single carrier frequency throughput maximum, takes following measure.
Aspect scheduling strategy, adopt the strategy tactful and Mean Speed in a period of time of momentary rate balance simultaneously.Wherein, the strategy of momentary rate balance guarantees that at synchronization the shared carrier frequency resource of different user in the same carrier frequency is more or less the same, and is referred to as the balanced rule of bubble.Do an analogy, (carrier frequency resource) has several bubbles (user) in the confined space, in the wireless communication system network side, when each bubble size of assurance is more or less the same (fairness that different user uses carrier frequency resource), guarantee that bubble is full of the confined space (single carrier frequency throughput maximum) as the cdma network side; The strategy of Mean Speed is referred to as bubble displacement rule in order to remedy the identical problem of momentary rate of the SCH that different user distributed in can not the same carrier frequency of strict guarantee in a period of time.
Aspect scheduling mode, adopt non-centralized scheduling.
Aspect scheduling time, only limited and distribute when uneven when carrier frequency resource, just trigger and dispatch.Avoid unnecessary scheduling, reduced scheduling overhead.
Below be described in detail balanced rule of bubble and bubble displacement rule.
The balanced rule of bubble can guarantee that all the user's data speed of the current SCH of taking in the same carrier frequency were more or less the same in moment.After in same carrier frequency, Adding User, because the restriction of carrier frequency resource, Add User and to distribute the low SCH of speed, when the speed of the SCH of other CUs in the same carrier frequency when giving two grades of speed of the SCH that distributes of Adding User, the cdma network side triggers the division scheduling, distribute when the next SCH burst SCH of the current distribution of speed ratio to reduce the SCH (being referred to as to tear open bubble) of a grade to the user that takies the high SCH of speed, to taking the raise SCH of a grade of SCH that Adding User of the low SCH of speed distribute the current distribution of speed ratio when the next SCH burst.The speed of a grade is exactly a times of speed of the current SCH that distributes.Different user is provided with different scheduling flag bits to the mode that adopts in the same carrier frequency in order to give.
As shown in Figure 1, Fig. 1 is that the balanced rule of bubble of the present invention is in wireless communication system network, as the application schematic diagram in the cdma network, wherein, the B that Adds User distributes the SCH of 4 times of speed (4X) for the B that Adds User, trigger the division scheduling after, be upgraded to 8X for the speed of the SCH that the B that Adds User distributes when next SCH burst, reduce to 8X for the speed of the SCH that user A distributes when next SCH burst.
Bubble displacement rule can guarantee that all the user's data speed of the current SCH of taking in the same carrier frequency are more or less the same in a period of time.The speed of SCH that different user distributes in same carrier frequency differs the situation of a grade and keeps a period of time, then the cdma network side triggers the displacement scheduling, the user that takies the low SCH of speed is distributed the SCH of the high grade of SCH of the current distribution of speed ratio when the next SCH burst, the user that takies the high SCH of speed is distributed the SCH of the low grade of SCH of the current distribution of speed ratio when the next SCH burst.Different user is provided with different scheduling flag bits to the mode that adopts in the same carrier frequency in order to give.
As shown in Figure 2, Fig. 2 is that bubble displacement rule of the present invention is in wireless communication system network, as the application schematic diagram in the cdma network, wherein, user B and user C take the SCH of 8X in a period of time, and user A and user D take the SCH of 1 6X in a period of time, after the cdma network side triggers the displacement scheduling, be upgraded to 16X for the speed of the SCH that user B and user C distribute when next SCH burst, reduce to 8X for the speed of the SCH that user A and user D distribute when next SCH burst.
The different SCH that the cdma network side is distributed for the different user of giving in the same carrier frequency, realize division scheduling and displacement scheduling, in the present invention, the cdma network side is provided with different scheduling flag bits in the cdma network side for respectively the different user in the same carrier frequency, and different scheduling flag bits comprises reduction of speed scheduling flag bit, raising speed scheduling flag bit and keeps the scheduling flag bit.
The process and the wireless communication system network side of different scheduling flag bits are set for different user in the same carrier frequency, how dispatch as described below according to the scheduling flag bit as the cdma network side.
In same carrier frequency, after the user of transmitting data waits until that the current SCHburst duration that distributes SCH then, when initiating the SCH request for allocation once more, the cdma network side is compared the speed of flank speed SCH in the same carrier frequency with the speed of the current SCH of taking of this user, if more than or equal to, then raising speed scheduling flag bit is set for this user in the cdma network side, reduction of speed scheduling flag bit is set for the user of the SCH that takies flank speed, keep the scheduling flag bit for other users' settings of current use SCH, redistribute SCH transmission data for simultaneously this user, the speed of the SCH that redistributes still is the speed of the current SCH of taking of this user; If less than, then be provided with for this user and keep the scheduling flag bit in the cdma network side, keep the speed flag bit for other users' settings of current use SCH, redistribute SCH transmission data for simultaneously this user, the speed of the SCH that redistributes still is the speed of the current SCH of taking of this user.When this user wait until the SCH that redistributes once more SCH burst duration then after, when initiating the SCH request for allocation again, the cdma network side is checked the scheduling flag bit that is provided with to this user, distribute the SCH of respective rate for this user according to the scheduling flag bit that is provided with, if promptly set scheduling flag bit is a raising speed scheduling flag bit, then give the grade of the speed of the SCH that this user redistributes greater than the speed of the current SCH of taking of this user; If set scheduling flag bit is a reduction of speed scheduling flag bit, then give the grade of the speed of the SCH that this user redistributes less than the speed of the current SCH of taking of this user; If set scheduling flag bit is for keeping the scheduling flag bit, equal the speed of the current SCH of taking of this user then for the speed of the SCH that this user redistributes.Similarly, when other users in the same carrier frequency initiated the SCH request for allocation once more, the cdma network side was also checked the scheduling flag bit that is provided with to the user who initiates the SCH request for allocation once more, distributed the SCH of respective rate for this user according to the scheduling flag bit that is provided with.
The present invention is in order to realize the carrier frequency scheduling of data service, when the wireless communication system network side, as the cdma network side joint receive Client-initiated SCH request for allocation be the SCH of current distribution wait until the SCHburst duration then the back user initiate once more the SCH request for allocation time, during the SCH request for allocation perhaps initiated for Adding User, execution graph 3 described methods then; Otherwise, execution graph 4 described methods then.
Fig. 3 and Fig. 4 are the flow chart of the carrier frequency scheduling method specific embodiment of data service of the present invention, and its concrete steps are:
Phase I, the cdma network side is that the different user in the same carrier frequency is provided with different scheduling flag bits.
After this user can wait until that SCH burst duration then for the SCH of current distribution, the user who initiates the SCH request for allocation once more can certainly be Adding User in the same carrier frequency.
If this user is Adding User in the same carrier frequency, then the current SCH that takies of this user gives the SCH with definite speed of this user's distribution as possible for the cdma network lateral root current situation that takies of resource frequently of refusing to take a passenger; If this user is for after the SCH of current distribution waits until that SCH burst duration is then, the user who initiates the SCH request for allocation once more, the then current SCH that takies of this user SCH that is current distribution.
Second stage, the cdma network side is carried out the scheduling of carrier frequency resource.
After the SCH that the user distributed in step 400, the same carrier frequency waits until that SCH burst duration then, initiate the SCH request for allocation to the cdma network side once more.
The present invention is for when the cdma network side is dispatched, and the assurance carrier frequency resource enough distributes, and the time point of the SCH that distributes the speed rising is occurred in after the time point of the time point of the SCH that distributes the speed reduction and the SCH that distribution speed is kept.That is to say, wait until that occupied carrier frequency resource discharges after, the SCH of the speed of could reallocating rising.For this reason, the present invention distributes the SCH burst duration of SCH identical for the different user in the same carrier frequency, and the SCH of current distribution is continuous in time with the next SCH that distributes, and like this, just can guarantee that carrier frequency resource enough distributes.
The explanation of giving one example, Fig. 5 is the time slot schematic diagram of the carrier frequency scheduling method of data service of the present invention, as shown in the figure, suppose that the cdma network side is provided with raising speed scheduling flag bit to the user who initiates the SCH request for allocation, the speed of the current SCH of taking of this user is 4X, the time point that raising speed scheduling flag bit is set arrives constantly at the SCH burst duration of giving the current distribution of this user SCH, simultaneously, the cdma network side is provided with reduction of speed scheduling flag bit for the current user who takies flank speed SCH and keeps the scheduling flag bit for other users' settings of same carrier frequency.Cdma network side scheduled for executing time point is at the different user in the same carrier frequency and difference: at this user, distribute speed raise a grade SCH time point give this user the SCH burst duration of the more next SCH of sub-distribution to constantly; At the current user who takies flank speed SCH, the time point that distributes speed to reduce the SCH of a grade is the time point that the current user who takies flank speed SCH initiates the SCH request for allocation once more; At other users in the same carrier frequency, the time point of the SCH that distribution speed is kept is the time point that other users in the same carrier frequency initiate the SCH request for allocation once more.
As can be seen, distribute the user of the SCH of speed rising to need a SCH burst duration to the time point of carrying out the SCH that distributes the speed rising from the time point that raising speed scheduling sign is set, in the meantime, other users in the same carrier frequency are bound to initiate once more the SCH request for allocation and have carried out the process of redistributing SCH, other users that are same carrier frequency have carried out scheduling, have finished SCH that distributes the speed reduction and the SCH that distributes speed to keep.Like this, when the cdma network side is dispatched, just guaranteed that carrier frequency resource enough distributes.
The present invention also can be applied to scheduling to the QOS weight speed of the SCH that distributed to the scheduling mode of the speed of the SCH that distributed, and the ratio of the speed of the SCH that is distributed and user QOS weight is exactly QOS weight speed.The present invention can also be applied to scheduling and other forward direction resources to the WALSH resource to the scheduling mode of the speed of the SCH that distributed, as the scheduling of CE and forward loading.
It is limited and distribute when uneven at carrier frequency resource to the invention provides cdma network side in the scheme, adopt the strategy tactful and Mean Speed in a period of time of momentary rate balance simultaneously, guaranteed the fairness of the different user use carrier frequency resource under the same carrier frequency preferably; It is limited and distribute when uneven at carrier frequency resource to the invention provides cdma network side in the scheme, adopt the strategy of momentary rate balance, guarantee that the speed of the SCH that different user distributed of same carrier frequency is more or less the same, reduce scheduling times, alleviate scheduling overhead, little to the influence of carrier frequency throughput; Scheme provided by the invention is distributed the high SCH of speed for the different user of same carrier frequency as possible, and carrier frequency resource is fully used; Scheme provided by the invention adopts non-centralized scheduling, guarantees that the distribution of SCH is not delayed, and the user who initiates the SCH request for allocation experiences; Scheme provided by the invention can make to the frequent lifting of the speed of the SCH of the different user distribution of same carrier frequency, and the transmission data are steady, and the different user of same carrier frequency is experienced.
The present invention adopts cdma network to illustrate the carrier frequency scheduling how to carry out data service, is appreciated that the carrier frequency scheduling method of data service provided by the invention is not limited to cdma network, can also be other wireless communication system network.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being made within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the carrier frequency scheduling method of a data service is characterized in that, this method comprises:
A, network side receive Client-initiated complement channel SCH request for allocation, if described request is this Client-initiated SCH request for allocation for the first time, after then giving this user and the scheduling flag bit being set respectively, distribute the speed SCH identical to transmit data for this user with the current SCH of taking with other users of the same carrier frequency of this user; Otherwise, change step B over to;
B, network side are checked the set scheduling flag bit to this user, if set scheduling flag bit is a raising speed scheduling flag bit, and the SCH transmission data of distributing the high grade of the current SCH that takies of this user of speed ratio for this user; If set scheduling flag bit is a reduction of speed scheduling flag bit, the SCH transmission data of distributing the low grade of the current SCH that takies of this user of speed ratio for this user; If set scheduling flag bit distributes the identical SCH transmission data of the current SCH that takies of speed and this user for keeping the scheduling flag bit, for this user.
2. the method for claim 1 is characterized in that, steps A is described gives this user and with process that other users of the same carrier frequency of this user are provided with the scheduling flag bit respectively be:
A1, network side judge with the same carrier frequency of this user in the speed of occupied flank speed SCH whether more than or equal to the current speed that takies SCH of this user, if, execution in step A2; Otherwise, execution in step A3;
A2, network side are provided with raising speed scheduling flag bit, reduction of speed scheduling flag bit are set and keep the scheduling flag bit for other users' settings in the same carrier frequency for the user who takies flank speed SCH in the same carrier frequency to this user;
A3, network side are given this user, give the user who takies flank speed SCH in the same carrier frequency and are kept the scheduling flag bit for other users' settings in the same carrier frequency.
3. the method for claim 1, it is characterized in that, described this Client-initiated of steps A SCH request for allocation for the first time is: the SCH burst SCH burst duration of SCH request for allocation that Adding User in the same carrier frequency initiated or the current distribution of user SCH then after, initiate the SCH request for allocation once more.
4. method as claimed in claim 3, it is characterized in that, when the SCH request for allocation of initiating was the SCH request for allocation of the initiation that Adds User in the same carrier frequency, the current SCH that takies of described this user of steps A was that network side distributes the SCH that determines speed for this user according to the situation that takies of carrier frequency resource.
5. method as claimed in claim 3, it is characterized in that, when the SCH request for allocation of initiating be the current distribution of user SCH SCH burst duration then after, during the SCH request for allocation of initiation, the current SCH that takies of described this user of steps A is that network side is given this user the SCH of current distribution once more.
6. as any described method in the claim 3,4 or 5, it is characterized in that the duration of the SCH burst of described current distribution SCH is by the network side setting, and give the duration of the set SCH burst of different user in the same carrier frequency identical.
7. method as claimed in claim 2 is characterized in that, when steps A 1 described with the same carrier frequency of this user in the speed of occupied flank speed SCH during more than or equal to current two grades of speed that take SCH of this user;
Before described steps A 2, network side starts the division scheduling, described division be scheduling to take speed the user of the highest SCH distribute the SCH of the current shared low grade of SCH of speed ratio when the next SCH burst, to the SCH of the current shared high grade of SCH of this user distribution ratio when the next SCH burst.
8. method as claimed in claim 2 is characterized in that, when steps A 1 described with the same carrier frequency of this user in the speed of occupied flank speed SCH during more than or equal to the current grade of speed that takies SCH of this user;
Before described steps A 2, network side starts the displacement scheduling, described startup displacement is scheduling to the SCH that the user that takies flank speed SCH is distributed the current shared low grade of SCH of speed ratio when the next SCH burst, to the SCH of the current shared high grade of SCH of this user distribution ratio when the next SCH burst.
9. as claim 1,7 or 8 described methods, it is characterized in that described grade is the current speed multiple that takies SCH of this user.
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| CN1246771A (en) * | 1998-07-23 | 2000-03-08 | 朗迅科技公司 | Pulse cascade resource allocation in honeycomb system |
| CN1418414A (en) * | 2000-03-17 | 2003-05-14 | 高通股份有限公司 | Forward-link scheduling in wireless communication system |
| US20040071163A1 (en) * | 2002-10-15 | 2004-04-15 | Hogberg Shawn W. | Scheduling method for supplemental channel resource |
| CN1545350A (en) * | 2003-11-25 | 2004-11-10 | 中兴通讯股份有限公司 | A method for speed assignation of forward direction alternate channel in CDMA system |
-
2005
- 2005-11-11 CN CNB2005101152040A patent/CN100372424C/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1246771A (en) * | 1998-07-23 | 2000-03-08 | 朗迅科技公司 | Pulse cascade resource allocation in honeycomb system |
| CN1418414A (en) * | 2000-03-17 | 2003-05-14 | 高通股份有限公司 | Forward-link scheduling in wireless communication system |
| US20040071163A1 (en) * | 2002-10-15 | 2004-04-15 | Hogberg Shawn W. | Scheduling method for supplemental channel resource |
| CN1545350A (en) * | 2003-11-25 | 2004-11-10 | 中兴通讯股份有限公司 | A method for speed assignation of forward direction alternate channel in CDMA system |
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